Tuning fork


A device made of steel, consisting of a stem and two branches that rings a pitch when struck.a u-shaped steel rod with a handle at the base whose prongs produce a pure note of definite pitch. it is usually tuned to c or a but can be any note. It is also used by choirs to indicate pitch<br><br>A metal fork with two prongs that tend to vibrate and put out a fairly pure tone of one frequency.